/*---------------------------------------------------------------------------*\
  =========                 |
  \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
   \\    /   O peration     | Website:  https://openfoam.org
    \\  /    A nd           | Copyright (C) 2023 OpenFOAM Foundation
     \\/     M anipulation  |
-------------------------------------------------------------------------------
License
    This file is part of OpenFOAM.

    OpenFOAM is free software: you can redistribute it and/or modify it
    under the terms of the GNU General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.

    OpenFOAM is distributed in the hope that it will be useful, but WITHOUT
    ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
    FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
    for more details.

    You should have received a copy of the GNU General Public License
    along with OpenFOAM.  If not, see <http://www.gnu.org/licenses/>.

\*---------------------------------------------------------------------------*/

#include "filmFvPatch.H"
#include "isothermalFilm.H"
#include "addToRunTimeSelectionTable.H"

// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //

namespace Foam
{
    defineTypeNameAndDebug(filmFvPatch, 0);
}


// * * * * * * * * * * * * * * * Member Functions  * * * * * * * * * * * * * //

const Foam::scalarField& Foam::filmFvPatch::deltaCoeffs() const
{
    if
    (
        boundaryMesh().mesh().foundObject<solvers::isothermalFilm>
        (
            solver::typeName
        )
    )
    {
        const solvers::isothermalFilm& film =
            boundaryMesh().mesh().lookupObject<solvers::isothermalFilm>
            (
                solver::typeName
            );

        const scalarField& filmDelta = film.delta.boundaryField()[index()];

        deltaCoeffs_ = 1/(0.5*filmDelta + 1e-8);

        return deltaCoeffs_;
    }
    else
    {
        return fvPatch::deltaCoeffs();
    }
}


// ************************************************************************* //
